FR809630A - Dispositif auxiliaire pour poste récepteur de t. s. f. pour la lecture facile et simple des programmes des postes d'émission
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Dispositif auxiliaire pour poste récepteur de t. s. f. pour la lecture facile et simple des programmes des postes d'émission
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H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
H03J1/02—Indicating arrangements
H03J1/04—Indicating arrangements with optical indicating means
H03J1/044—Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination
FR809630D1936-08-171936-08-17Dispositif auxiliaire pour poste récepteur de t. s. f. pour la lecture facile et simple des programmes des postes d'émission
ExpiredFR809630A
(fr)